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Nonadministrators must be prevented from applying vendor-signed updates.


Overview

Finding ID Version Rule ID IA Controls Severity
V-225392 WN12-CC-000118 SV-225392r569185_rule Low
Description
Uncontrolled system updates can introduce issues to a system. This setting will prevent users from applying vendor-signed updates (though they may be from a trusted source).
STIG Date
Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide 2022-03-01

Details

Check Text ( C-27091r471518_chk )
If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Policies\Microsoft\Windows\Installer\

Value Name: DisableLUAPatching

Type: REG_DWORD
Value: 1
Fix Text (F-27079r471519_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Installer -> "Prohibit non-administrators from applying vendor signed updates" to "Enabled".